Folder flap



FIG. 1 is a front perspective view of a folder flap showing my new design;

FIG. 2 is a front elevational view thereof with the flap in an opened position;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a left side elevational view thereof.

The broken line showing of FIGS. 1, 2, 3, 5 & 6 is for illustrative puproses only and forms no part of the claimed design. 

The ornamental design for a folder flap, as shown and described. 